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tempo de retorno
commun.	round-trip delay
commun., IT	round trip delay; turnaround time
earth.sc., mech.eng.	time of return stroke
el.	returning time; decay time; pulse decay time
IT, el.	reset time
math.	return period; return time

tempo de retorno: 11 phrases in 4 subjects

Communications	3
Electronics	5
Information technology	1
Statistics	2